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SCHOOL COMMUNITY·BOISE INDEPENDENT DISTRICT·NCES 160036000643

TIMBERLINE HIGH SCHOOL

701 EAST BOISE AVENUE, BOISE, ID 83706 · (208) 854-6230 · Ada County
GRADES 10–12HIGH12-CITYREGULAR SCHOOL1,307 STUDENTS
B+
allk12 Grade
Scored higher than 74% of Idaho public high schools
  • B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ·Beats expectations Not available for this school, so the grade uses the other parts.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Idaho public high schools

Enrollment
1,307
High
DISTRICT 743 · STATE 455
Student : Teacher
17.7:1
74 FTE teachers
DISTRICT 13.7:1 · STATE 16.0:1
Free / Reduced Lunch
17%
218 students
DISTRICT 51% · STATE 46%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 1042132%
Grade 1145935%
Grade 1242733%
Student demographics
43%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 50% · STATE 44% · US 70%
White
97374%
DISTRICT 68% · STATE 72% · US 43%
Hispanic
13010%
DISTRICT 16% · STATE 21% · US 30%
Black
171%
DISTRICT 5% · STATE 1% · US 15%
Asian
1018%
DISTRICT 4% · STATE 1% · US 6%
Two+
796%
DISTRICT 6% · STATE 3% · US 5%
Native American
30%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
40%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
69153%
Female
61647%

School pathway

Feeds from
LES BOIS JUNIOR HIGH SCHOOL06–09EAST JUNIOR HIGH SCHOOL07–09FAIRMONT JUNIOR HIGH SCHOOL07–09HILLSIDE JUNIOR HIGH SCHOOL07–09NORTH JUNIOR HIGH SCHOOL07–09RIVERGLEN JR HIGH SCHOOL07–09SOUTH JUNIOR HIGH SCHOOL07–09WEST JUNIOR HIGH07–09
Based on grade levels within BOISE INDEPENDENT DISTRICT. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

ISAT 2024-25 . % Proficient
English Language Arts
62.4%
ID avg 53.4%
Math
50.2%
ID avg 43.5%

What this means: On the ISAT, Idaho's statewide test, about 62 of every 100 students at this school read and write at grade level and about 50 of 100 do math at grade level. Across all Idaho schools, those numbers are about 53 and 44.

Source: ISAT. All students, all grades. See all years and grades →

Schools most like TIMBERLINE HIGH SCHOOL

SchoolStudentsLow-incomeProficient
TIMBERLINE HIGH SCHOOL this school1,30716.7%N/A
RENAISSANCE HIGH SCHOOL
MERIDIAN
66218.9%N/A
ALTURAS PREPARATORY ACADEMY
IDAHO FALLS
46326.8%N/A
MERIDIAN MEDICAL ARTS CHARTER
MERIDIAN
19116.2%N/A
PRAXIUM MASTERY ACADEMY
IDAHO FALLS
13622.1%N/A
MOSCOW HIGH SCHOOL
MOSCOW
76019.3%N/A
Matched among Idaho high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where TIMBERLINE HIGH SCHOOL ranks

Among high schools
MeasureThis schoolIn IdahoIn Ada County
Math proficiency
ranked highest first
50.2%#12 of 84#6 of 15
Reading proficiency
ranked highest first
62.4%#37 of 97#8 of 13
Enrollment
ranked largest first
1,307#22 of 198#10 of 29
Students per teacher
ranked fewest first
17.7:1#56 of 105#8 of 18
Diversity index
ranked most diverse first
42.6%#38 of 105#9 of 18
Free and reduced lunch
ranked highest share first
16.7%#142 of 146#17 of 21
Enrollment change since 2017-18
ranked fastest growth first
+1.7%#42 of 44N/A
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
1,307
-795 (-38%) vs 2020
+23% since 2000-01, when it was 1,062
Student : Teacher
17.7:1
was 21.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,3077417.7:117% (218)
2023-241,39170.219.8:111% (159)
2022-231,39874.718.7:110% (135)
2020-212,1029721.7:112% (253)
2017-181,2856519.8:119% (242)
2015-161,1185918.9:118% (206)
2010-111,1306218.2:123% (255)
2000-011,0625818.3:18% (83)
Source: NCES Common Core of Data. Rows are the federal collections on file for TIMBERLINE HIGH SCHOOL.

Since 2017-18: students up 2% (1,285 to 1,307); teachers up 14% (65 to 74).

About TIMBERLINE HIGH SCHOOL

TIMBERLINE HIGH SCHOOL is a high-enrollment high school found in BOISE, Idaho. It offers grades 10 through 12 and has 1,307 students enrolled. That is 187% larger than the average of about 455 students for high schools in Idaho.

TIMBERLINE HIGH SCHOOL is in BOISE INDEPENDENT DISTRICT, a district with 22,134 students across 52 schools.

About 74% of the student body at TIMBERLINE HIGH SCHOOL is White. Other students are 10% Hispanic, 8% Asian, and 6% multiracial. By comparison, Ada County residents are about 83% White. A diversity index of 43% means there is a 43% chance two randomly chosen students at TIMBERLINE HIGH SCHOOL are from different groups.

The student-to-teacher ratio at TIMBERLINE HIGH SCHOOL is 17.7:1, based on 74 full-time-equivalent teachers. The average for high schools in Idaho, 16.0:1, is lower. TIMBERLINE HIGH SCHOOL counts 17% of students as eligible for free or reduced-price lunch. Across public schools in Ada County, the average is 34%.

Among Idaho public high schools, TIMBERLINE HIGH SCHOOL outscored 74%, which works out to a B+ on the allk12 Grade.

Census data for Ada County show median household income comes to about $91,502, the share of adults with a bachelor's degree or higher is 45%, and about 5% of people live in poverty. There are 156 public schools in the county, enrolling about 80,006, TIMBERLINE HIGH SCHOOL among them.

About 0.2 miles separate TIMBERLINE HIGH SCHOOL from the closest public school, WHITE PINE ELEMENTARY SCHOOL. Within five miles are at least 8 other public schools.

NCES lists the school's locale as City: Mid-size. That means it sits inside a principal city with a population between 100,000 and 250,000.

Enrollment decreased by 38% across 4 years, from 2,102 in 2020-21 to 1,307 in 2024-25. The ratio was 21.7:1 in 2020-21 and 17.7:1 in 2024-25.

Anyone can start a thread about athletics, class schedules, and weather closures at TIMBERLINE HIGH SCHOOL. Teachers and staff are welcome to share updates too.

Ada County at a glance

View full county profile
Population
518,935
Census ACS
Median income
$91,502
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
156
80,006 students

Quick facts

School name
TIMBERLINE HIGH SCHOOL
District
BOISE INDEPENDENT DISTRICT
Address
701 EAST BOISE AVENUE, BOISE, ID 83706
Phone
(208) 854-6230
County
Ada County
Level
High
Grade range
10–12
Total enrollment
1,307
Teachers (FTE)
74
Student–teacher ratio
17.7:1
Free and reduced lunch
218 (17%)
Locale
12-City: Mid-size
NCES ID
160036000643
Charter school
No
Virtual school
No

Related schools

Other schools in BOISE INDEPENDENT DISTRICT
Other schools in BOISE
Other Timberline High schools

2 other US public schools in 2 states are named Timberline High. TIMBERLINE HIGH SCHOOL is the 2nd largest of the 3.

Nearby schools

Frequently asked questions

About TIMBERLINE HIGH SCHOOL
How many students attend TIMBERLINE HIGH SCHOOL?
TIMBERLINE HIGH SCHOOL enrolls approximately 1,307 students in grades 10-12.
Is TIMBERLINE HIGH SCHOOL an elementary, middle, or high school?
TIMBERLINE HIGH SCHOOL is a high school covering grades 10-12.
How many teachers does TIMBERLINE HIGH SCHOOL have?
TIMBERLINE HIGH SCHOOL employs 74 FTE teachers, for a student-to-teacher ratio of 17.7:1.
What is the student diversity at TIMBERLINE HIGH SCHOOL?
Student demographics at TIMBERLINE HIGH SCHOOL are roughly 74% White, 10% Hispanic, 1% Black, 8% Asian, 6% Two or more.
Who oversees TIMBERLINE HIGH SCHOOL?
TIMBERLINE HIGH SCHOOL is overseen by BOISE INDEPENDENT DISTRICT in Ada County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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